Case in point the two National Guards that got shot and one died. If I shot two people it would not register nationally. I am a traveling nurse and don’t know why people treat them differentaly ? I mean they are signing up and taking a risk doing so. I got empathy for families and stuff but childeren get killed everyday, or a nurse gets AIDS from a needle poke. Why should their lives matter more than yours?
Similar to why a “dog bites man” situation is unremarkable, unlike a “man bites dog”.
I don’t see how that idiom applies here.
A solider being killed in duty is not an unexpected event.